专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11165261B2 Secondary battery protection circuit for causing a desired current to flow in each of the cells, secondary battery protection integrated circuit, and battery pack 有权
公开(公告)号：US11165261B2
公开(公告)日：2021-11-02
申请号：US16016836
申请日：2018-06-25
申请人： Yoshihiro Motoichi , Iwao Kitamura
发明人： Yoshihiro Motoichi , Iwao Kitamura
IPC分类号： H02J7/00 , H01M10/44
摘要： A secondary battery protection circuit for protecting a secondary battery with multiple connected-in-parallel cells, includes a charging fault detection unit for each cell for prohibiting charging of the corresponding cell when overcharging and/or charging over-current for the corresponding cell is detected; a charging control element for each cell for cutting off a charging path for the corresponding cell when the charging of the corresponding cell is prohibited; a detection resistor for each cell inserted in series in the charging path; and a balance control unit for, in order to balance a first charging current flowing in a first charging path for a first cell with a second charging current flowing in a second charging path for a second cell, controlling a difference between the first and second charging currents in a saturation region of the charging control element based on a detection voltage generated by the detection resistor.

2. 发明申请

US20200185937A1 SECONDARY-BATTERY PROTECTION CIRCUIT AND BATTERY PACK 审中-公开
公开(公告)号：US20200185937A1
公开(公告)日：2020-06-11
申请号：US16701362
申请日：2019-12-03
申请人： Takeshi YAMAGUCHI , Yoshihiro MOTOICHI , Junji TAKESHITA
发明人： Takeshi YAMAGUCHI , Yoshihiro MOTOICHI , Junji TAKESHITA
IPC分类号： H02J7/00 , H02H7/18
摘要： A secondary-battery protection circuit is configured to, in response to detecting that a first switching circuit is turned on and a second switching circuit is turned on, supply a first output voltage to a first load between a first terminal and a second terminal; and supply a third output voltage to a second load between the first terminal and a third terminal, the third output voltage indicating the sum of the first output voltage and a second output voltage, the second output voltage corresponding to a voltage across a second secondary battery. In response to detecting that the first switching circuit is turned off and the second switching circuit is turned on, the secondary-battery protection circuit is configured to stop supplying the first output voltage to the first load; and stop supplying the third output voltage via the first terminal and the third terminal.

3. 发明授权

US10439338B2 Cable with plug, control circuit and substrate 有权
公开(公告)号：US10439338B2
公开(公告)日：2019-10-08
申请号：US14804525
申请日：2015-07-21
申请人： Yoshihiro Motoichi
发明人： Yoshihiro Motoichi
IPC分类号： H01R13/713 , H01R13/66 , H01R24/62
摘要： A plug with a cable includes a plug and a cable. The plug is connected to a receptacle to which a secondary cell is connected. The plug includes a hosing and a substrate therein. The cable includes a power supply line and a grounding line. The cable has one end connected to the plug and the other end connected to a power supply unit. A switch is mounted on the substrate and provided in series in a power supply interconnection connected to the power supply line. A temperature sensor is mounted on the substrate and disposed near a power supply terminal or a grounding terminal of the plug. A control circuit is mounted on the substrate and configured to interrupt the power supply interconnection by turning off the switch when a temperature detected by the temperature sensor exceeds a predetermined value.

4. 发明授权

US08558516B2 Charge-controlling semiconductor integrated circuit and charging apparatus 有权
标题翻译：充电控制半导体集成电路和充电装置
公开(公告)号：US08558516B2
公开(公告)日：2013-10-15
申请号：US12467466
申请日：2009-05-18
申请人： Yoshihiro Takahashi , Daisuke Suzuki , Yoshihiro Motoichi , Gentaro Kurokawa
发明人： Yoshihiro Takahashi , Daisuke Suzuki , Yoshihiro Motoichi , Gentaro Kurokawa
IPC分类号： H02J7/06
CPC分类号： H02J7/00
摘要： A charge-controlling semiconductor integrated circuit includes a current- controlling MOS transistor which is connected between a voltage input terminal and an output terminal and controls flowing current, a substratum voltage switching circuit connected between the voltage input/output terminal and a substratum to which an input/output voltage is applied, and a voltage comparison circuit to compare the input/output voltage. The charge-controlling semiconductor integrated circuit controls the substratum voltage switching circuit based on an output of the voltage comparison circuit, and the voltage comparison circuit includes an intentional offset in a first potential direction. A level shift circuit to shift the output voltage to a potential direction opposite to the first potential direction is provided in a preceding stage of a first input terminal of the voltage comparison circuit, and the input voltage is input to a second input terminal of the voltage comparison circuit.
摘要翻译：电荷控制半导体集成电路包括电流控制MOS晶体管，其连接在电压输入端子和输出端子之间并控制流动电流;基极电压开关电路，连接在电压输入/输出端子与基板之间，施加输入/输出电压，以及比较输入/输出电压的电压比较电路。电荷控制半导体集成电路基于电压比较电路的输出控制基极电压开关电路，电压比较电路包括在第一电位方向上的有意偏移。在电压比较电路的第一输入端子的前级设置有将输出电压移位到与第一电位方向相反的电位方向的电平移位电路，输入电压输入到电压的第二输入端子比较电路。

5. 发明申请

US20090289605A1 CHARGE-CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT AND CHARGING APPARATUS 有权
标题翻译：充电控制半导体集成电路和充电装置
公开(公告)号：US20090289605A1
公开(公告)日：2009-11-26
申请号：US12467466
申请日：2009-05-18
申请人： Yoshihiro TAKAHASHI , Daisuke Suzuki , Yoshihiro Motoichi , Gentaro Kurokawa
发明人： Yoshihiro TAKAHASHI , Daisuke Suzuki , Yoshihiro Motoichi , Gentaro Kurokawa
IPC分类号： H02J7/06
CPC分类号： H02J7/00
摘要： Disclosed a charge-controlling semiconductor integrated circuit comprising: a current-controlling MOS transistor connected between a voltage input terminal and an output terminal and controls flowing current; a substratum voltage switching circuit connected between the voltage input/output terminal and a substratum to which an input/output voltage is applied; and a voltage comparison circuit to compare the input/output voltage, wherein the charge-controlling semiconductor integrated circuit controls the substratum voltage switching circuit based on an output of the voltage comparison circuit, the voltage comparison circuit includes an intentional offset in a first potential direction, and in a preceding stage of a first input terminal of the voltage comparison circuit, a level shift circuit to shift the output voltage to an opposite potential direction is provided, and to a second input terminal of the voltage comparison circuit, the input voltage is input.
摘要翻译：公开了一种电荷控制半导体集成电路，包括：电流控制MOS晶体管，连接在电压输入端子和输出端子之间，并控制流动电流; 连接在电压输入/输出端子和施加了输入/输出电压的基板之间的基极电压开关电路; 以及用于比较输入/输出电压的电压比较电路，其中所述充电控制半导体集成电路基于所述电压比较电路的输出来控制所述基极电压开关电路，所述电压比较电路包括在第一电位方向上的有意偏移，并且在电压比较电路的第一输入端子的前级中，提供将输出电压移位到相反电位方向的电平移位电路，并且对于电压比较电路的第二输入端子，输入电压为输入。

6. 发明申请

US20210273463A1 SECONDARY-BATTERY PROTECTION CIRCUIT AND BATTERY PACK 有权
公开(公告)号：US20210273463A1
公开(公告)日：2021-09-02
申请号：US17326403
申请日：2021-05-21
申请人： Takeshi YAMAGUCHI , Yoshihiro MOTOICHI , Junji TAKESHITA
发明人： Takeshi YAMAGUCHI , Yoshihiro MOTOICHI , Junji TAKESHITA
IPC分类号： H02J7/00 , H02H7/18
摘要： A secondary-battery protection circuit is configured to, in response to detecting that a first switching circuit is turned on and a second switching circuit is turned on, supply a first output voltage to a first load between a first terminal and a second terminal; and supply a third output voltage to a second load between the first terminal and a third terminal, the third output voltage indicating the sum of the first output voltage and a second output voltage, the second output voltage corresponding to a voltage across a second secondary battery. In response to detecting that the first switching circuit is turned off and the second switching circuit is turned on, the secondary-battery protection circuit is configured to stop supplying the first output voltage to the first load; and stop supplying the third output voltage via the first terminal and the third terminal.

7. 发明授权

US10790679B2 Battery protection circuit and device, battery pack, and battery protection method 有权
公开(公告)号：US10790679B2
公开(公告)日：2020-09-29
申请号：US14497402
申请日：2014-09-26
申请人： Yoshihiro Motoichi
发明人： Yoshihiro Motoichi
IPC分类号： H02J7/00 , H02J7/04 , H02J7/06
摘要： A battery protection circuit that protects a rechargeable battery including cells connected in parallel includes an overcharging detection part provided for each of the cells and configured to prevent the corresponding cell from being charged in response to detecting overcharging of the corresponding cell, an overdischarge detection part provided for each of the cells and configured to prevent the corresponding cell from being discharged in response to detecting overdischarge of the corresponding cell, a charging current limiting part provided for each of the cells and configured to prevent a charging current from exceeding a predetermined charging current value during a period for which the charging current flows through the corresponding cell, and a discharge current limiting part provided for each of the cells and configured to prevent a discharge current from exceeding a predetermined discharge current value during a period for which the discharge current flows through the corresponding cell.

8. 发明申请

US20160056588A1 CABLE WITH PLUG, CONTROL CIRCUIT AND SUBSTRATE 审中-公开
标题翻译：带插头的电缆，控制电路和基板
公开(公告)号：US20160056588A1
公开(公告)日：2016-02-25
申请号：US14804525
申请日：2015-07-21
申请人： Yoshihiro MOTOICHI
发明人： Yoshihiro MOTOICHI
IPC分类号： H01R13/70 , H01R13/66
CPC分类号： H01R13/7137 , H01R13/6683 , H01R24/62
摘要： A plug with a cable includes a plug and a cable. The plug is connected to a receptacle to which a secondary cell is connected. The plug includes a hosing and a substrate therein. The cable includes a power supply line and a grounding line. The cable has one end connected to the plug and the other end connected to a power supply unit. A switch is mounted on the substrate and provided in series in a power supply interconnection connected to the power supply line. A temperature sensor is mounted on the substrate and disposed near a power supply terminal or a grounding terminal of the plug. A control circuit is mounted on the substrate and configured to interrupt the power supply interconnection by turning off the switch when a temperature detected by the temperature sensor exceeds a predetermined value.
摘要翻译：带有电缆的插头包括插头和电缆。插头连接到连接有二次电池的插座。塞子包括其中的软管和基板。电缆包括电源线和接地线。电缆的一端连接到插头，另一端连接到电源单元。开关安装在基板上并串联连接在与电源线相连的电源互连中。温度传感器安装在基板上并且设置在插头的电源端子或接地端子附近。控制电路安装在基板上，并且被配置为当由温度传感器检测到的温度超过预定值时通过关闭开关来中断电源互连。

9. 发明申请

US20090302805A1 CHARGE-CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT 有权
标题翻译：充电控制半导体集成电路
公开(公告)号：US20090302805A1
公开(公告)日：2009-12-10
申请号：US12478065
申请日：2009-06-04
申请人： Yoshihiro MOTOICHI , Daisuke Suzuki , Yoshihiro Takahashi , Gentaro Kurokawa
发明人： Yoshihiro MOTOICHI , Daisuke Suzuki , Yoshihiro Takahashi , Gentaro Kurokawa
IPC分类号： H02J7/10
CPC分类号： H02J7/0052 , G01R19/16519 , H03K17/0822
摘要： Disclosed is a charge-controlling semiconductor integrated circuit including: a current-controlling MOS transistor; a current detection circuit including a 1/N size current-detecting MOS transistor; and a gate voltage control circuit, wherein the current detection circuit includes an operational amplifier circuit, a bias condition of the current-detecting MOS transistor becomes same as the current-controlling MOS transistor based on an operational amplifier circuit output, voltage drops in lines from drain electrode to a corresponding input point of the operational amplifier circuit become the same by a parasitic resistance, and when the output of the operational amplifier circuit is applied to a control terminal of the bias condition controlling transistor, the drain voltages become the same potential, and the line from the drain electrode of the current-detecting MOS transistor to the input point is formed to be redundantly arranged inside the chip so that a parasitic resistance becomes a predetermined value.
摘要翻译：公开了一种电荷控制半导体集成电路，包括：电流控制MOS晶体管; 电流检测电路，包括1 / N尺寸电流检测MOS晶体管; 以及栅极电压控制电路，其中电流检测电路包括运算放大器电路，电流检测用MOS晶体管的偏置状态与基于运算放大器电路输出的电流控制用MOS晶体管相同，漏电极到运算放大器电路的对应输入点变成相同的寄生电阻，并且当运算放大器电路的输出被施加到偏置条件控制晶体管的控制端时，漏极电压变为相同的电位，形成从电流检测用MOS晶体管的漏极到输入点的线被冗余配置在芯片的内部，使寄生电阻成为规定值。

10. 发明申请

US20190020074A1 SECONDARY BATTERY PROTECTION CIRCUIT, SECONDARY BATTERY PROTECTION INTEGRATED CIRCUIT, AND BATTERY PACK 审中-公开
公开(公告)号：US20190020074A1
公开(公告)日：2019-01-17
申请号：US16016836
申请日：2018-06-25
申请人： Yoshihiro MOTOICHI , Iwao KITAMURA
发明人： Yoshihiro MOTOICHI , Iwao KITAMURA
IPC分类号： H01M10/44 , H02J7/00
摘要： A secondary battery protection circuit for protecting a secondary battery with multiple connected-in-parallel cells, includes a charging fault detection unit for each cell for prohibiting charging of the corresponding cell when overcharging and/or charging over-current for the corresponding cell is detected; a charging control element for each cell for cutting off a charging path for the corresponding cell when the charging of the corresponding cell is prohibited; a detection resistor for each cell inserted in series in the charging path; and a balance control unit for, in order to balance a first charging current flowing in a first charging path for a first cell with a second charging current flowing in a second charging path for a second cell, controlling a difference between the first and second charging currents in a saturation region of the charging control element based on a detection voltage generated by the detection resistor.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式